PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-18:57:50
G08     271.9          20.9               10.6 +/-    1.86      22.9 +/-    1.86  0.040 / 0.050
G10     48.7           60.3                7.6 +/-    0.61       8.6 +/-    0.61  0.040 / 0.050
G11     315.0          13.8                6.4 +/-    2.29      16.5 +/-    2.29  0.100 / 0.280
G14     253.2          62.3                8.3 +/-    0.63       9.2 +/-    0.63  0.120 / 0.310
G20     88.4           41.0                7.1 +/-    0.91      10.1 +/-    0.91  0.190 / 0.260
G21     152.8          19.7                8.4 +/-    1.79      18.7 +/-    1.79  0.180 / 0.210
G24     40.7           11.2                6.8 +/-    2.00      18.4 +/-    2.00  0.130 / 0.290
G27     239.3          21.0                9.9 +/-    1.35      21.2 +/-    1.35  0.130 / 0.270
G31     181.5          21.2               10.5 +/-    2.61      22.4 +/-    2.61  0.090 / 0.170
G32     308.6          76.1                8.0 +/-    0.44       8.2 +/-    0.44  0.180 / 0.310